Home / 312,208,592.72-468,341,786.19-102,120,471.45

Finding the Fourth Proportional to 312,208,592.72, 468,341,786.19 and 102,120,471.45

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Solution

The fourth proportional to 312,208,592.72, 468,341,786.19 and 102,120,471.45 is: 153,190,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,592.72 : 468,341,786.19 = 102,120,471.45 : x
  2. Step 2: Convert to fraction form
    312,208,592.72/468,341,786.19 = 102,120,471.45/x
  3. Step 3: Cross multiply
    312,208,592.72x = 468,341,786.19 × 102,120,471.45
  4. Step 4: Simplify right side
    312,208,592.72x = 47,827,284,004,287,048
  5. Step 5: Solve for x
    x = 47,827,284,004,287,048/312,208,592.72
  6. Step 6: Final answer
    x = 153,190,159.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.